Tester battery, precise internal resistance detector of battery with LCD display, tester battery do battery maintenance. DIY detection Characteristic: 1. High precision measurements: The Tester of the internal resistance of the battery guarantees za accurate results each time, allowing the measurement of voltage in the range 0-100 V and resistance in the range 0-200 Ω with a basic accuracy of 0,5%. 2. User-friendly display: The Tester of the batteries is equipped with a clear LCD screen with backlight, providing quick updates five times per second, allowing for efficient and time-saving testing procedures. 3. Energy-efficient: This tester features a 10-minute delay and turns off automatically if not in use, resulting in energy savings and longer device life. 4. Compact \u0026 portable: The Tester of the internal resistance of the battery ma compact size and lightweight design, making it highly portable and allowing for easy transportation and convenient use in a variety of settings. 5. Wide Application: This tester can measure a wide range of battery types, including lithium, lead-acid, nickel-chromium, and dry batteries. Ideal do car repairs, scooter tests, battery processing tests and more. Technical data: Item Name: Tester Battery Main Material: Plastic Basic accuracy: resistance 0,5%, voltage 0,5% Adjustment: Resistance and voltage are adjusted separately Measuring range: 1μΩ200Ω (resistance), 1mV100VDC (voltage) Test signal frequency: AC 1 kHz Test signal current: 20 mΩ 50 mA, 200 mΩ/2 Ω 5 mA, 20 Ω/200 Ω 0,5 mA Resistance range: 6 automatic and manual ranges Voltage range: 3 automatic and manual ranges Display update: 5 times/second Automatic shutdown: 10 minutes delay, automatic shutdown without any operation Display result: LCD display, direct reading Battery: built-in 1000 mAh lithium battery Language: Chinese, English Operating environment: -10C40C, relative humidity: Storage environment: -20C80C, relative humidity: Colour: orange Size: 16,6 * 8 * 2,8 cm / 6,54 * 3,15 * 1,1 inch Information about the package: Package Weight: 430 g/0,95 lb List of packages: 1 * Tester battery 1 * Probe 1 * Kelvin clip 2 * Instructions